$3\mathrm{.}0$ g sample of Na$2$CO$3$ powder is stirred into $50$ cm$3$

of $1\mathrm{.}0$ mol dm$3$ HCl$.$ The volume of CO$2$

produced is $600$ cm$3$

$.$

Na$2$CO$3($s$)+2$HCl$($aq$)2$NaCl$($aq$)+$ CO$2($g$)+$ H$2$O$($l$)$

$[$Mr: Na$2$CO$3,106\mathrm{.}0]$

Which volume of CO$2$ is produced if $1\mathrm{.}0$ g of Na$2$CO$3$ powder is stirred into $50$ cm$3$

of

$1\mathrm{.}0$ mol dm$3$ HCl under the same conditions?

A $600$ cm$3$ B $452$ cm$3$ C $226$ cm$3$ D $200$ cm